import { Link, useNavigate } from 'react-router-dom'
import {
  Card,
  Breadcrumb,
  Form,
  Button,
  Radio,
  DatePicker,
  Table,
  Tag,
  Space,
  Modal,
  message,
} from 'antd'
import 'moment/locale/zh-cn'
import locale from 'antd/es/date-picker/locale/zh_CN'
import { EditOutlined, DeleteOutlined, ExclamationCircleOutlined } from '@ant-design/icons'
import img404 from '@/assets/error.png'
import { useDispatch, useSelector } from 'react-redux'
import { useEffect, useRef } from 'react'
import { deleteArticle, getArticleAction, getChannelAction } from '@/store/modules/article'
import Channel from '@/components/Channel'
const { confirm } = Modal
const { RangePicker } = DatePicker

export default function Arrticl() {
  const nav = useNavigate()

  // 优化文章状态的处理
  const articleStatus = {
    0: { color: 'yellow', text: '草稿' },
    1: { color: '#ccc', text: '待审核' },
    2: { color: 'green', text: '审核通过' },
    3: { color: 'red', text: '审核失败' },
  }

  const columns = [
    {
      title: '封面',
      dataIndex: 'cover',
      render: cover => {
        return <img src={cover.images ? cover.images[0] : img404} width={200} height={150} alt="" />
      },
    },
    {
      title: '标题',
      dataIndex: 'title',
      width: 220,
    },
    {
      title: '状态',
      dataIndex: 'status',
      render: data => {
        const tagData = articleStatus[data]
        return <Tag color={tagData.color}>{tagData.text}</Tag>
      },
    },
    {
      title: '发布时间',
      dataIndex: 'pubdate',
    },
    {
      title: '阅读数',
      dataIndex: 'read_count',
    },
    {
      title: '评论数',
      dataIndex: 'comment_count',
    },
    {
      title: '点赞数',
      dataIndex: 'like_count',
    },
    {
      title: '操作',
      render: data => {
        return (
          <Space size="middle">
            <Button
              type="primary"
              shape="circle"
              icon={<EditOutlined />}
              onClick={() => nav(`/publish/${data.id}`)}
            />
            <Button
              type="primary"
              danger
              shape="circle"
              icon={<DeleteOutlined />}
              onClick={() => delArticle(data.id)}
            />
          </Space>
        )
      },
    },
  ]

  /* const data = [
    {
      id: '8218',
      comment_count: 0,
      cover: 'http://geek.itheima.net/resources/images/15.jpg',
      like_count: 0,
      pubdate: '2019-03-11 09:00:00',
      read_count: 2,
      status: 2,
      title: 'webview离线化加载h5资源解决方案',
    },
  ] */

  const dispatch = useDispatch()
  const {
    query: { page, pageSize, count },
    articleList,
  } = useSelector(state => state.article)

  useEffect(() => {
    dispatch(getChannelAction())
  }, [dispatch])

  useEffect(() => {
    dispatch(getArticleAction())
  }, [dispatch])

  const onSearch = values => {
    const { status, channel_id, date } = values
    // 将表单中选中数据，组装成接口需要的数据格式，然后，传递给接口
    const params = { channel_id }
    // 处理状态
    if (status !== -1) {
      params.status = status
    }
    // 日期范围
    if (typeof date !== 'undefined' && date !== null) {
      params.begin_pubdate = date[0].format('YYYY-MM-DD HH:mm:ss')
      params.end_pubdate = date[1].format('YYYY-MM-DD HH:mm:ss')
    }

    // 将筛选的数据保存到ref对象中
    paramsRef.current = params

    dispatch(getArticleAction(params))
  }

  const paramsRef = useRef({})

  const changePage = (page, pageSize) => {
    const params = {
      // 从ref对象中拿到筛选的数据
      ...paramsRef.current,
      page,
      per_page: pageSize,
    }

    dispatch(getArticleAction(params))
  }

  const delArticle = id => {
    confirm({
      title: '温馨提示',
      icon: <ExclamationCircleOutlined />,
      content: '此操作将永久删除该文章, 是否继续?',
      onOk: () => {
        // 执行删除操作
        try {
          dispatch(deleteArticle(id, paramsRef.current))
          message.success('删除成功')
        } catch (e) {
          message.error(e.message)
        }
      },
    })
  }

  return (
    <div>
      <Card
        title={
          <Breadcrumb separator=">">
            <Breadcrumb.Item>
              <Link to="/home">首页</Link>
            </Breadcrumb.Item>
            <Breadcrumb.Item>内容管理</Breadcrumb.Item>
          </Breadcrumb>
        }
        style={{ marginBottom: 20 }}
      >
        <Form initialValues={{ status: -1 }} onFinish={onSearch}>
          <Form.Item label="状态" name="status">
            <Radio.Group>
              <Radio value={-1}>全部</Radio>
              <Radio value={0}>草稿</Radio>
              <Radio value={1}>待审核</Radio>
              <Radio value={2}>审核通过</Radio>
              <Radio value={3}>审核失败</Radio>
            </Radio.Group>
          </Form.Item>

          <Form.Item label="频道" name="channel_id">
            <Channel width={265} />
          </Form.Item>

          <Form.Item label="日期" name="date">
            <RangePicker locale={locale}></RangePicker>
          </Form.Item>

          <Form.Item>
            <Button type="primary" htmlType="submit">
              筛选
            </Button>
          </Form.Item>
        </Form>
      </Card>

      <Card title={`根据筛选条件共查询到 count 条结果：`}>
        <Table
          columns={columns}
          dataSource={articleList}
          rowKey="id"
          pagination={{
            current: page,
            pageSize,
            total: count,
            showSizeChanger: true,
            position: ['bottomCenter'],
            onChange: changePage,
          }}
        />
      </Card>
    </div>
  )
}
